Functional complex desk system

ABSTRACT

The present invention relates to a functional complex desk system comprising: an electromotive chair assembly as a seat on which a user sits; a monitor-equipped multi-joint table device which has a monitor and a main table arranged at one side of the monitor, and which movably support the monitor and the main table in a multi-joint manner; a user position tracking unit for tracking the optimal position that is appropriate for the body condition or posture of the user having sat on the electromotive chair assembly; and a system controller for automatically controlling the operation of the monitor-equipped multi-joint table device so that the monitor and the main table are arranged at optimal positions according to the modified posture of the user on the basis of the tracking signal of the user position tracking unit.

TECHNICAL FIELD

The present invention relates to a functional complex desk system, andmore particularly, to a functional complex desk system capable oftracking an optimal position suitable for a body condition or sittingposture of a user to automatically arrange a monitor or main table, sothat various work environments including study can be optimallyimplemented.

BACKGROUND ART

Computers are widely used during doing personal or company work, doingsales in a business site, or enjoying games in a PC room. In viewthereof, it can be said that the computer is positioned as theelectronic device that is most closely related with people in modernsociety.

Accordingly, furniture companies have continuously researched anddeveloped a complex desk (or desk system) configured to be equipped witha computer, particularly a monitor, and used together with a chair, andvarious products have been released on the market currently.

However, the computer-dedicated desk or system furniture equivalentthereto or a desk system currently released on the market is a kind ofmanual system in which a user sitting on a chair is required to set aposition of a monitor or table in every detail to match a body conditionor sitting posture of the user. For this reason, troublesomeness andinconvenience may be caused in use. It is required to develop thetechnology for the automatic system in that the optimal environment maybe provided to the user when the setting is performed automatically.

DISCLOSURE Technical Problem

An object of the present invention is to provide a functional complexdesk system capable of tracking an optimal position suitable for a bodycondition or sitting posture of a user to automatically arrange amonitor or main table, so that various work environments including studycan be optimally implemented.

Technical Solution

The above object implemented by a functional complex desk systemincluding: an electromotive chair assembly as a seat on which a usersits; a monitor-equipped multi-joint table device having a monitor and amain table arranged at one side of the monitor, and movably supportingthe monitor and the main table in a multi-joint manner; a user positiontracking unit for tracking an optimal position suitable for a bodycondition or posture of the user sitting on the electromotive chairassembly; and a system controller for automatically controlling anoperation of the monitor-equipped multi-joint table device, so that themonitor and the main table are arranged at optimal positions accordingto a changed posture of the user based on a tracking signal of the userposition tracking unit.

The user position tracking unit may be a sensor provided in themonitor-equipped multi-joint table device to track a face or eye of theuser in real time and detect a distance between the monitor and the faceor eye of the user, so as to transmit a tracking signal to the systemcontroller in real time.

The system controller may track the posture of the user through apredetermined real-time face-recognition or eye-tracking algorithm, andautomatically control the operation of the monitor-equipped multi-jointtable device according to the changed posture only when the same postureis maintained for a predetermined period of time.

The system may further include a voice recognition input unit connectedto the system controller to input a voice signal for the operation ofthe monitor-equipped multi-joint table device.

The system may further include a side table assembly arranged in a sideregion of the electromotive chair assembly; and a system common basecommonly mounted thereon with the electromotive chair assembly, themonitor-equipped multi-joint table device, and the side table assembly.

The side table assembly may include a side table pro vided with an inputpanel having a plurality of function buttons; and a plurality of sidebridges having an upper part supporting the side table and a lower endfixed to the system common base.

The electromotive chair assembly may include: an electromotive chairbody having a seat plate and a backrest; an electromotive foot supportconnected to the electromotive chair body to support feet and legs; anda chair-mounted driving unit provided on the system common base tosupport the electromotive chair body and drive the electro motive chairbody and the electromotive foot support.

The monitor-equipped multi-joint table device may include: a fixedmount; a first rotating arm rotatably connected to the fixed mount by afirst hinge; a first arm wing extending from one side of the firstrotating arm; a first actuator connected to the fixed mount and thefirst arm wing to relatively rotate the first rotating arm with respectto the fixed mount about the first hinge as an axial center; a secondrotating arm relatively and rotatably connected to the first rotatingarm by a second hinge; a second arm wing extending from one side of thesecond rotating arm; a second actuator connected to the first rotatingarm and the second arm wing to relatively rotate the second rotating armwith respect to the first rotating arm about the second hinge as anaxial center; a third rotating arm relatively and rotatably connected tothe second rotating arm by a third hinge, and vertically coupled to themonitor and the main table at different positions; a third arm wingextending from one side of the third rotating arm; and a third actuatorconnected to the second rotating arm and the third arm wing torelatively rotate the third rotating arm with respect to the secondrotating arm about the third hinge as an axial center.

The monitor-equipped multi-joint table device may be disposed separatelyfrom the electromotive chair assembly so as to prevent the shaking ofthe electromotive chair assembly from being transferred to themonitor-equipped multi-joint table device.

Advantageous Effects

According to the present invention, an optimal position suitable for abody condition or sitting posture of a user is tracked to automaticallyarrange a monitor or main table, so that various work environmentsincluding study can be optimally implemented.

DESCRIPTION OF DRAWINGS

FIG. 1 is a perspective view of a functional complex desk systemaccording to the first embodiment of the present invention.

FIG. 2 is a view showing FIG. 1 at another angle.

FIGS. 3 and 4 are a front view and a side view of FIG. 1 , respectively.

FIG. 5 is a control block diagram of the functional complex desk systemof FIG. 1 .

FIG. 6 is a perspective view of a functional complex desk systemaccording to the second embodiment of the present invention.

FIG. 7 is an operation state diagram of FIG. 6 .

FIGS. 8 to 10 are side views showing each process of the operation stateof the functional complex desk system of FIG. 6 .

FIG. 11 is a control block diagram of the functional complex desk systemof FIG. 6 .

FIG. 12 is a side view of a functional complex desk system according toa third embodiment of the present invention.

FIG. 13 is a structural diagram of a bridge socket region of FIG. 12 .

FIGS. 14 and 15 are side views showing the operation of a main tableregion of a functional complex desk system according to a fourthembodiment of the present invention.

FIG. 16 a side view of a functional complex desk system according to afifth embodiment of the present invention.

BEST MODE Mode for Invention

Advantages and features of the present invention, and methods forachieving the advantages and features will be apparent with reference tothe embodiments described below in detail with the accompanyingdrawings.

However, the present invention is not limited to the embodimentsdisclosed as below and may be implemented in various different forms.

In the specification herein, the embodiments are provided to completethe disclosure of the present invention and clearly teach the scope ofthe invention to a person having ordinary skill in the art. In addition,the present invention will be defined only by the scope of claims.

Accordingly, in some embodiments, well-known components, well-knownoperations, and well-known techniques have not been specificallydescribed in order to avoid obscuring the present invention.

The same reference numeral indicates the same element throughout thespecification. In addition, the terms used (referred to) herein are forthe purpose of describing the embodiments, and the present invention isnot limited thereto.

In the specification herein, a singular form includes a plural formunless the context is particularly stated otherwise. In addition,components and operations (acts) referred to as ‘include (or have)’ donot exclude the presence or addition of one or more other components andoperations.

Unless otherwise defined, all terms (including technical and scientificterms) used herein may be used in a sense commonly understood by thoseskilled in the art of the present invention.

In addition, terms defined in generally used dictionaries are notideally or excessively interpreted unless defined otherwise.

Hereinafter, preferred embodiments of the present invention will bedescribed with reference to the accompanying drawings.

FIG. 1 is a perspective view of a functional complex desk systemaccording to the first embodiment of the present invention. FIG. 2 is aview showing FIG. 1 at another angle. FIGS. 3 and 4 are a front view anda side view of FIG. 1 , respectively. FIG. 5 is a control block diagramof the functional complex desk system of FIG. 1 .

Referring to the drawings, the functional complex desk system 1according to an embodiment of the present invention may track an optimalposition suitable for a body condition or sitting posture of a user toautomatically arrange a monitor 56 or main table 57, so that variouswork environments including study can be optimally implemented.

Referring to the drawings, the functional complex desk system 1according to an embodiment of the present invention may include a systemcommon base 10, an electromotive chair assembly 20, a side tableassembly 30 and a monitor-equipped multi-joint table device 40.

Except for the side table assembly 30, the electromotive chair assembly20 and the monitor-equipped multi-joint table device 40 are adjusted tovarious angles, that is, to the angle desired by the user, andparticularly, automatically adjusted, so that the user can study, work,or play games in various postures in various environments. Accordingly,the convenience in use is highly improved.

The system common base commonly supports the electromotive chairassembly 20, the side table assembly 30, and the monitor-equippedmulti-joint table device 40. In other words, the electromotive chairassembly 20, the side table assembly 30, and the monitor-equippedmulti-joint table device 40 are mounted on the system common base 10,thereby being integrated into one body. In this case, the system can bekept compact and advantageous for moving.

The electromotive chair assembly 20 is mounted on one side of the systemcommon base 10, and defines a seat for a user of the system of thepresent invention. The electromotive chair assembly 20 may have an anglearbitrarily varied by a chair button 21 therebelow. A massage functionmay be added to the electromotive chair assembly 20.

The side table assembly 30 refers to a structure arranged in a sideregion of the electromotive chair assembly 20 and coupled to the systemcommon base 10. While the electromotive chair assembly 20 and themonitor-equipped multi-joint table device 40 are electromotive driven,the side table assembly 30 may be formed as a fixed structure.

The monitor-equipped multi-joint table device 40 refers to a type ofarticulated robot provided with a monitor 56 and a main table 57disposed under the monitor 56 and movably supporting the monitor 56 andthe main table 57. The monitor-equipped multi-joint table device 40refers to a device arranged in a front region of the electromotive chairassembly 20 and coupled to the system common base 10.

In other words, the monitor-equipped multi-joint table device 40 is aset of robot, other than a simple table structure, is provided with themonitor 56 and the main table 57, and allows the monitor 56 and the maintable 57 to be moved to a desired angle and position. Accordingly, themonitor 56 and the main table 57 are allowed to be automatically placedin an optimal position for the user sitting on the electromotive chairassembly 20.

For the reference, the monitor 56 may be a computer-built-in all-in-onemonitor. In addition, the main table 57 may be mounted thereon with akeyboard, a mouse and the like for operating a computer. Reading booksor taking notes is also available on the main table 57.

In the embodiment, the monitor-equipped multi-joint table device 40 maybe disposed separately from the electromotive chair assembly 20 so as toprevent the shaking of the electromotive chair assembly 20 from beingtransferred to the monitor-equipped multi-joint table device 40. Inother words, even when the user shakes a body while sitting on theelectromotive chair assembly 20, the vibration is not transferred to themonitor-equipped multi-joint table device 40.

In addition, a user position tracking unit 81 and a system controller 70are provided so that the monitor 56 and the main table 57 areautomatically disposed in the optimal position for the user sitting onthe electromotive chair assembly 20.

The user position tracking unit 81 serves to track an optimal positionsuitable for a body condition or posture of the user sitting on theelectromotive chair assembly 20.

The above user position tracking unit 81 is provided in themonitor-equipped multi-joint table device 40, may be recognized througha sensor for tracking a face or eyes of the user in real time to measurean optimal distance of the user and transmitting the detected signal tothe system controller 70 in real time, such as various distancemeasuring sensors using laser, infrared rays, ultrasonic wave and thelike and a 3D scanning sensor.

In addition to the user position tracking unit 81, a voice recognitioninput unit 82 for inputting a voice signal for the operation of themonitor-equipped multi-joint table device 40 and connected to the systemcontroller 70 may be further mounted.

The system controller 70 automatically controls the operation of themonitor-equipped multi-joint table device 40, such that the monitor 56and the main table 57 are disposed in the optimal position according toa changed posture of the user based on the tracking signal of the userposition tracking unit 81.

In particular, in the embodiment, the system controller 70 tracks theposture of the user through a predetermined real-time face-recognitionor eye-tracking algorithm, and automatically controls the operation ofthe monitor-equipped multi-joint table device 40 according to thechanged posture only when the same posture is maintained for apredetermined period of time. Regarding the operation of the operationof the monitor-equipped multi-joint table device 40 changed in realtime, the posture of the user may be changed by a simple movement of thebody or changed for other movements. When applied in real time, it maybe changed to an unwanted angle or lead to an accident while moving.

The system controller 70 performing the above roles may include acentral processing unit (CPU) 71, a memory 72, and a support circuit 73.

In the embodiment, the central processing unit 71 may be one of variouscomputer processors industrially applicable to automatically control theoperation of the monitor-equipped multi-joint table device 40 such thatthe monitor 56 and the main table 57 are disposed in the optimalposition according to a changed posture of the user based on thetracking signal of the user position tracking unit 81.

The memory 72 is connected to the central processing unit 71. The memory72, which serves as a computer-readable recording medium, may beinstalled locally or remotely, and may be, for example, at least onereadily available memory such as a random access memory (RAM), ROM, afloppy disk, hard disk, or any form of digital storage.

The support circuit 73 is combined with the central processing unit 71to support the typical operation of the processor. The support circuit73 may include a power supply, a clock circuit, an input/output circuit,a subsystem, and the like.

In the embodiment, the system controller 70 automatically controls theoperation of the monitor-equipped multi-joint table device 40 such thatthe monitor 56 and the main table 57 are disposed in the optimalposition according to a changed posture of the user based on thetracking signal of the user position tracking unit 81, in which theseries of control processes and the like may be stored in the memory 72.Typically, software routines may be stored in the memory 72. Inaddition, the software routines may be stored or executed by anothercentral processing unit (not shown).

Although the process according to the present invention has beendescribed as being executed by the software routines, at least some ofthe processes of the present invention may be performed by hardware. Asthe above description, the processes of the present invention may beimplemented in software executed on a computer system, implemented inhardware such as an integrated circuit, or implemented by a combinationof software and hardware.

According to the embodiment acting as the above-described configuration,an optimal position suitable for a body condition or sitting posture ofa user may be tracked to automatically arrange a monitor 56 or maintable 57, so that various work environments including study can beoptimally implemented.

In particular, in the present embodiment, the individual adjustmentfunction of each joint part constituting the monitor-equippedmulti-joint table device 40 is configured to allow positions of themonitor 56 or the main table 57 to correspond to all customizedconditions of the user. In addition, each joint part may be basicallyset by the user face recognition and automatic distance adjustmentfunction. If necessary, the user may individually fine-tune each jointby using a corresponding control button to set the position to anoptimized posture of the user, and the optimized setting values may bestored through an input button having a memory function. The memoryfunction is useful when multiple users are present, and it isadvantageous in that specific setting values may be stored in the memoryaccording to each individual preference and then used via commandbuttons if necessary.

FIG. 6 is a perspective view of a functional complex desk systemaccording to the second embodiment of the present invention. FIG. 7 isan operation state diagram of FIG. 6 . FIGS. 8 to 10 are side viewsshowing each process of the operation state of the functional complexdesk system of FIG. 6 . FIG. 11 is a control block diagram of thefunctional complex desk system of FIG. 6 .

Referring to the drawings, the functional complex desk system 100according to an embodiment of the present invention may also include asystem common base 110, an electromotive chair assembly 120, a sidetable assembly 130 and a monitor-equipped multi-joint table device 140.

In particular, except for the side table assembly 130, since theelectromotive chair assembly 120 and the monitor-equipped multi-jointtable device 140 are adjusted to various angles, that is, to the angledesired by the user, so that the user can study, work, or play games invarious postures in various environments. Accordingly, the conveniencein use is highly improved.

The system common base 110 commonly supports the electromotive chairassembly 120, the side table assembly 130, and the monitor-equippedmulti-joint table device 140.

In other words, the electromotive chair assembly 120, the side tableassembly 130, and the monitor-equipped multi-joint table device 140 aremounted on the system common base 110, thereby being integrated into onebody. In this case, the system can be kept compact and advantageous formoving.

The electromotive chair assembly 120 is mounted on one side of thesystem common base 110, and defines a seat for a user of the system ofthe present invention.

The electromotive chair assembly 120 may include: an electromotive chairbody 123 having a seat plate 121 and a backrest 122; an electromotivefoot support 124 connected to the electromotive chair body 123 tosupport feet and legs; a chair-mounted driving unit 125 provided on thesystem common base 110 to support the electromotive chair body 123 anddrive the electromotive chair body 123 and the electromotive footsupport 124. The operation of the chair-mounted driving unit 125 may becontrolled by a system controller 170 described later.

As the above description, since the electromotive chair body 123 and theelectromotive foot support 124 may be operated, that is, rotated due tothe electromotive structure of the chair-mounted driving unit 125, thesitting position may be adjusted to several angles. Further, theelectromotive chair assembly 120 may be used even in an almost lyingposition.

For the reference, although not shown in the drawing, a massage functionmay be added to the electromotive chair body 123 and the electromotivefoot support 124. In this case, the electromotive chair assembly 120 maybe a complex device having an added massage function beyond the conceptof a chair only.

The side table assembly 130 refers to a structure arranged in a sideregion of the electromotive chair assembly 120 and coupled to the systemcommon base 110.

While the electromotive chair assembly 120 and the monitor-equippedmulti-joint table device 140 are electromotive driven, the side tableassembly 130 is formed as a fixed structure.

The side table assembly 130 may include a side table 131, and aplurality of side bridges 132 having an upper part supporting the sidetable 131 and a lower part fixed to the system common base 110.

A book or a cup for drinks may be placed on the side table 131, and theside table 131 is provided on one side thereof with an input panel 160.

In addition, the monitor-equipped multi-joint table device 140 refers toa device arranged in a front region of the electromotive chair assembly120 and coupled to the system common base 110 to movably support amonitor 156 and a main table 157 disposed under the monitor 156.

In other words, the monitor-equipped multi-joint table device 140 is aset of robot, other than a simple table structure, is provided with themonitor 156 and the main table 157, and allows the monitor 156 and themain table 157 to be moved to a desired angle and position.

The monitor 156 may be a computer-built-in all-in-one monitor. Inaddition, the main table 157 may be mounted thereon with a keyboard, amouse and the like for operating a computer. Reading books or takingnotes is also available on the main table 157.

The monitor-equipped multi-joint table device 140 is provided with afixed mount 141 fixed on the system common base 110, and has amulti-joint structure in which the following components are relativelyand rotatably connected to the fixed mount 141. Accordingly, it ispreferable for manipulating the monitor 156 and the main table 157 at adesired angle.

A first rotating arm 143 is connected to the fixed mount 141. The firstrotating arm 143 is relatively and rotatably connected to the fixedmount 141 by a first hinge 142.

A first arm wing 144 extends and is coupled to one side of the firstrotating arm 143. In addition, a first actuator 145 is coupled to thefixed mount 141 and the first arm wing 144. Due to the action of thefirst actuator 145, the first rotating arm 143 may be relatively rotatedwith respect to the fixed mount 141 about the first hinge 142 as anaxial center.

A second rotating arm 147 is connected to the first rotating arm 143.The second rotating arm 147 is relatively and rotatably connected to thefirst rotating arm 143 by a second hinge 146.

A second arm wing 148 extends and is coupled to one side of the secondrotating arm 147. In addition, a second actuator 149 is coupled to thefirst rotating arm 143 and the second arm wing 148. Due to the action ofthe second actuator 149, the second rotating arm 147 may be relativelyrotated with respect to the first rotating arm 143 about the secondhinge 146 as an axial center.

A third rotating arm 152 is connected to the second rotating arm 147.The third rotating arm 152 is also relatively and rotatably connected tothe second rotating arm 147 by a third hinge 151. The monitor 156 andthe main table 157 are vertically coupled to one side and the other sideof the third rotating arm 152 at different positions, respectively.

A third arm wing 153 extends and is coupled to one side of the thirdrotating arm 152. In addition, a third actuator 154 is coupled to thesecond rotating arm 147 and the third arm wing 153. Due to the action ofthe third actuator 154, the third rotating arm 152 may be relativelyrotated with respect to the second rotating arm 147 about the third 151as an axial center.

Due to the above structures, that is, the action of the first actuator145, the second actuator 149 and the third actuator 154, each of thefirst rotating arm 143, the second rotating arm 147, and the thirdrotating arm 152 may be relatively rotated with respect to the fixedmount 141 fixed in position, and accordingly, the monitor 156 and themain table 157 may be rotated to a desired angle.

In addition, in the embodiment, the functional complex desk system 100is provided with an input panel 160 and a system controller 170 forcontrolling the system.

The input panel 160 has a plurality of function buttons 161 so as tooperate the electromotive chair assembly 120 and the monitor-equippedmulti-joint table device 140 at various angles and positions as shown inFIGS. 6 to 10 or not shown therein. Herein, it is described in terms ofa button, but the button may include a touch.

The input panel 160 having the various function buttons 161 may beprovided on one side of the side table 131. Accordingly, it is good forthe user sitting or lying on the electromotive chair assembly 120 tooperate the system.

The system controller 170 controls the operations of the electromotivechair assembly 120 and the monitor-equipped multi-joint table device 140based on the input signal of the input panel 160. The system controller170 performing the above roles may include a central processing unit(CPU) 171, a memory 172, and a support circuit 173.

Accordingly, the user sitting or lying on the electromotive chairassembly 120 presses the function buttons 161 of the input panel 160provided on the side table 131 to adjust the angle of the electromotivechair assembly 120 or drive the monitor-equipped multi-joint tabledevice 140, so that the monitor 156 and the main table 157 are placed inpositions suitable for the user.

Accordingly, the user can study, work, or play games in variouspostures, so that the convenience in use can be highly improved and theefficiency of study or work can also be increased. In addition, it isgood for playing games while preventing stiff shoulders or the like.

When the embodiments is applied, an optimal position suitable for a bodycondition or sitting posture of a user may be tracked to automaticallyarrange a monitor 156 or main table 157, so that various workenvironments including study can be optimally implemented.

FIG. 12 is a side view of a functional complex desk system according toa third embodiment of the present invention. FIG. 13 is a structuraldiagram of a bridge socket region of FIG. 12 .

Referring to the drawings, the functional complex desk system 200according to an embodiment of the present invention also has a systemcommon base 210, and is configured such that the electromotive chairassembly 120, the side table assembly 230, and the monitor-equippedmulti-joint table device 140 are commonly mounted on the system commonbase 210 for each position.

In addition, the side table assembly 230 includes a side table 131, anda plurality of side bridges 132 having an upper part supporting the sidetable 131 and a lower end fixed to the system common base 110.

In addition, in the above structure, a bridge socket 233 is accommodatedin the system common base 210.

The bridge socket 233 may be provided on the system common base 210 bythe number of side bridges 132 on both sides of the electromotive chairassembly 120 interposed therebetween.

As in the present embodiment, when the bridge sockets 233 are providedon the both sides of the electromotive chair assembly 120, the sidetable assembly 230 can be freely moved to the left or right of theelectromotive chair assembly 120.

The application of the above bridge sockets 233 may have many advantagesin that right-handed or left-handed people have the normal position andradius of using hands different from each other. In other words, it maybe convenient for the right-handed people to place the side tableassembly 230 on the right side of the electromotive chair assembly 120,and it may be convenient for the left-handed people to place the sidetable assembly 230 on the left side of the electromotive chair assembly120.

In addition, unused ones among the bridge sockets 233 may be blocked byusing a detachable socket stopper 235 as shown in FIG. 13 , to preventforeign substances from accumulating and prevent the external appearancefrom deteriorating.

When the embodiments is applied, the optimal position suitable for abody condition or sitting posture of a user can be tracked toautomatically arrange a monitor 156 or main table 157, so that variouswork environments including study can be optimally implemented.

FIGS. 14 and 15 are side views showing the operation of a main tableregion of a functional complex desk system according to a fourthembodiment of the present invention.

Referring to the drawings, the functional complex desk system 300according to an embodiment of the present invention also has a systemcommon base 110, and is configured such that the electromotive chairassembly 120, the side table assembly 130, and the monitor-equippedmulti-joint table device 340 are commonly mounted on the system commonbase 110 for each position.

In addition, the monitor-equipped multi-joint table device 340 is astructure for movably supporting a monitor 156 and a main table 357 a.

As described above, the monitor 156 may be a computer-built-inall-in-one monitor. In addition, the main table 357 a may be mountedthereon with a keyboard, a mouse and the like for operating a computer.Reading books or taking notes is also available on the main table 357 a.

In addition, in the embodiment, an expandable sub-table 357 b isslidably coupled to the main table 357 a.

In other words, as shown in FIGS. 14 and 15 , the sub-table 357 b mayprotrude forward from the main table 357 a when the sub-table 357 b ispulled. In this case, the convenience in use may be increased in that alarge area of the main table 357 a and the sub-table 357 b may beentirely used as the area for the table.

When the embodiments is applied, the optimal position suitable for abody condition or sitting posture of a user may be tracked toautomatically arrange the monitor 156 or the main table 357 a, so thatvarious work environments including study can be optimally implemented.

FIG. 16 is a side view of a functional complex desk system according toa fifth embodiment of the present invention.

Referring to the drawing, the functional complex desk system 400according to an embodiment of the present invention also has a systemcommon base 110, and is configured such that the electromotive chairassembly 120, the side table assembly 130, and the monitor-equippedmulti-joint table device 140 are commonly mounted on the system commonbase 110 for each position.

In addition, in the present embodiment, an electromotive rail 490 isprovided on the system common base 110 on which the monitor-equippedmulti-joint table device 140 is positioned. The monitor-equippedmulti-joint table device 140 may be moved forward and backward indirections of arrows by the electromotive rail 490. When the abovestructure is applied, the system can be used for all men and womenhaving different body sizes.

When the embodiments is applied, the optimal position suitable for abody condition or sitting posture of a user may be tracked toautomatically arrange a monitor 156 or main table 157, so that variouswork environments including study can be optimally implemented.

The present invention is not limited to the above-mentioned embodiments.It will be apparent to a person having ordinary skill in the art thatvarious deformations and modifications are available within the scopewithout departing from the spirit and scope of the present invention.Therefore, the deformations and modifications will be within the scopeof the appended claims and their equivalents.

1. A functional complex desk system comprising: an electromotive chairassembly as a seat on which a user sits; a monitor-equipped multi-jointtable device having a monitor and a main table arranged at one side ofthe monitor, and movably supporting the monitor and the main table in amulti-joint manner; a user position tracking unit for tracking anoptimal position suitable for a body condition or posture of the usersitting on the electromotive chair assembly; and a system controller forautomatically controlling an operation of the monitor-equippedmulti-joint table device, so that the monitor and the main table arearranged at optimal positions according to a changed posture of the userbased on a tracking signal of the user position tracking unit.
 2. Thefunctional complex desk system of claim 1, wherein the user positiontracking unit includes a sensor provided in the monitor-equippedmulti-joint table device to track a face or eye of the user in realtime, detect a distance between the monitor and the face or eye of theuser, and transmit a tracking signal to the system controller in realtime.
 3. The functional complex desk system of claim 2, wherein thesystem controller tracks the posture of the user through a predeterminedreal-time face-recognition or eye-tracking algorithm, and automaticallycontrols the operation of the monitor-equipped multi-joint table deviceaccording to the changed posture only when the same posture ismaintained for a predetermined period of time.
 4. The functional complexdesk system of claim 2, further comprising: a voice recognition inputunit connected to the system controller to input a voice signal for theoperation of the monitor-equipped multi-joint table device.
 5. Thefunctional complex desk system of claim 1, further comprising: a sidetable assembly arranged in a side region of the electromotive chairassembly; and a system common base commonly mounted thereon with theelectromotive chair assembly, the monitor-equipped multi-joint tabledevice, and the side table assembly.
 6. The functional complex desksystem of claim 5, wherein the side table assembly includes: a sidetable provided with an input panel having a plurality of functionbuttons; and a plurality of side bridges having an upper end supportingthe side table and a lower end fixed to the system common base.
 7. Thefunctional complex desk system of claim 1, wherein the electromotivechair assembly includes: an electromotive chair body having a seat plateand a backrest; an electromotive foot support connected to theelectromotive chair body to support feet and legs; and a chair-mounteddriving unit provided on the system common base to support theelectromotive chair body and drive the electromotive chair body and theelectromotive foot support.
 8. The functional complex desk system ofclaim 1, wherein the monitor-equipped multi-joint table device includes:a fixed mount; a first rotating arm rotatably connected to the fixedmount by a first hinge; a first arm wing extending from one side of thefirst rotating arm; a first actuator connected to the fixed mount andthe first arm wing to relatively rotate the first rotating arm withrespect to the fixed mount about the first hinge as an axial center; asecond rotating arm relatively and rotatably connected to the firstrotating arm by a second hinge; a second arm wing extending from oneside of the second rotating arm; a second actuator connected to thefirst rotating arm and the second arm wing to relatively rotate thesecond rotating arm with respect to the first rotating arm about thesecond hinge as an axial center; a third rotating arm relatively androtatably connected to the second rotating arm by a third hinge andvertically coupled to the monitor and the main table at differentpositions; a third arm wing extending from one side of the thirdrotating arm; and a third actuator connected to the second rotating armand the third arm wing to relatively rotate the third rotating arm withrespect to the second rotating arm about the third hinge as an axialcenter.
 9. The functional complex desk system of claim 1, wherein themonitor-equipped multi-joint table device is disposed separately fromthe electromotive chair assembly so as to prevent a shaking of theelectromotive chair assembly from being transferred to themonitor-equipped multi-joint table device.